OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

Note: Option positions (PUT/CALL) are excluded.

Q3 2015
Shares 24 Value ($000) $2 Avg Close $72.21 Range $66.94 - $79.28
Q2 2015
Shares 24 Value ($000) $2 Avg Close $72.33 Range $66.03 - $76.70
Q1 2015
Shares 24 Value ($000) $2 Avg Close $71.68 Range $66.90 - $75.00
Q4 2014
Shares 40 Value ($000) $3 Avg Close $68.20 Range $58.54 - $74.79
Q4 2013
Shares 60 Value ($000) $3 Avg Close $68.42 Range $39.00 - $78.50
Q3 2013
Shares 64 Value ($000) $5 Avg Close $71.00 Range $63.20 - $76.25
Q2 2013
Shares 64 Value ($000) $4 Avg Close $58.30 Range $48.10 - $67.50
Q1 2013
Shares 60 Value ($000) $4 Avg Close $61.66 Range $53.14 - $72.02
Q4 2012
Shares 48 Value ($000) $3 Avg Close — Range —
Q3 2012
Shares 144 Value ($000) $11 Avg Close — Range —